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Clin Infect Dis. 2012 Sep;55(6):771-7. doi: 10.1093/cid/cis534. Epub 2012 Jun 7.

The role of asymptomatic bacteriuria in young women with recurrent urinary tract infections: to treat or not to treat?

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  • 1Department of Urology, Santa Chiara Hospital, Trento, Italy. ktommy@libero.it

Abstract

BACKGROUND:

Little is known about the role of asymptomatic bacteriuria (AB) treatment in young women affected by recurrent urinary tract infection (UTI). We aimed to evaluate the impact of AB treatment on the recurrence rate among young women affected by recurrent UTI.

METHODS:

A total of 673 consecutive asymptomatic young women with demonstrated bacteriuria from January 2005 to December 2009 were prospectively enrolled. Patients were split into 2 groups: not treated (group A, n = 312) and treated (group B, n = 361). Microbiological and clinical evaluations were performed at 3, 6, and 12 months. Quality of life was also measured. Recurrence-free rate at the end of the entire study period was the main outcome measure.

RESULTS:

At baseline, the 2 most commonly isolated pathogens were Escherichia coli (group A, 38.4%; group B, 39.3%) and Enterococcus faecalis (group A, 32.7%; group B, 33.2%). At the first follow-up visit, there was no difference between the 2 groups (relative risk [RR], 1.05; 95% confidence interval [CI], 1.01-1.10), whereas after 6 months, 23 (7.6%) in group A and 98 (29.7%) in group B showed recurrence with a statistically significant difference (RR, 1.31; 95% CI, 1.21-1.42; P < .0001). At the last follow-up, 41 (13.1%) in group A and 169 (46.8%) in group B showed recurrence (RR, 3.17; 95% CI, 2.55-3.90; P < .0001). One patient in group A and 2 patients in group B were found to have pyelonephritis.

CONCLUSIONS:

This study shows that AB should not be treated in young women affected by UTI, suggesting it may play a protective role in preventing symptomatic recurrence.

PMID:
22677710
[PubMed - indexed for MEDLINE]
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